Search the web
Sign In
New User? Sign Up
mathforfun · MATH for FUN - A place to post and work math problems.
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Want to share photos of your group with the world? Add a group photo to Flickr.

Best of Y! Groups

   Check them out and nominate your group.
Having problems with message search? Fill out this form to ensure your group is one of the first to be migrated to the new message search system.

Messages

  Messages Help
Advanced
Messages 10532 - 10561 of 13927   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
10532
... of ... If this is merely a maths question, just find the surface of the oceans, then the thickness of the layer of water of volume 1 km^3 I think we are...
Peter Otzen
bogaduck
Offline Send Email
Jul 1, 2005
7:50 am
10533
... was an ... Ya, fair enough.... My "Now do you see?" remarked was made at whoever here believed that a rise of 2 deg C equalled a rise of 35.6 deg F... ...
clooneman
Offline Send Email
Jul 1, 2005
12:24 pm
10534
I don't think they'd rise a whole lot. Firstly, assume that the density of ice equals the density of water. Then the volume of ice below the surface of the...
Clooneman ²°°°
clooneman
Offline Send Email
Jul 1, 2005
12:30 pm
10535
... Probably John's point is that the north polar icecap floats on the Arctic Ocean, so its melting doesn't affect sea level. (The ice already displaces its...
adh_math
Offline
Jul 1, 2005
12:42 pm
10536
Perhaps we should go in a different direction. Let's look at a vessel of water, perhaps a measuring cup that, with an ice cube in it, measures 12 oz (355mL)....
dwittman@...
derekwittman
Offline Send Email
Jul 1, 2005
1:20 pm
10537
A traditional problem I believe. Imagine the world to be a perfect sphere, with a tight steel band around the equator. The band is cut, and an additional 12"...
Peter Otzen
bogaduck
Offline Send Email
Jul 1, 2005
2:17 pm
10538
The problem you describe is an example of what I wrote of. The only reason the ice melts is becouse the water/soda is at a high enough temperature. [icebergs -...
Peter Otzen
bogaduck
Offline Send Email
Jul 1, 2005
2:37 pm
10539
A fantastic problem! Take the equatorial circumference of 24902mi and calculate the radius of the earth from it (C1 = 2 * PI * r1). r1 = 3693.276393 (to 6...
dwittman@...
derekwittman
Offline Send Email
Jul 1, 2005
5:00 pm
10540
"dwittman@... wrote:" ... It's even cooler when you realize you can solve the problem without mucking with the equatorial circumference of the earth. ...
robynk@...
robynkoz
Offline Send Email
Jul 1, 2005
5:14 pm
10541
... ... changes as the ice melts, doesn't it? ___________________________________________________________ Yahoo! Messenger - NEW crystal clear PC to PC calling...
Clooneman ²°°°
clooneman
Offline Send Email
Jul 1, 2005
5:27 pm
10542
Peter, Regarding the ice above the water level... I specifically stated that the water level wouldn't rise. I mentioned nothing about the peak of the ice cube...
dwittman@...
derekwittman
Offline Send Email
Jul 1, 2005
5:36 pm
10543
The band forms a circle. Let C stand for the circumference of this circle before the addition of the extra 12". Define the function f as c/(2pi), which will...
Clooneman ²°°°
clooneman
Offline Send Email
Jul 1, 2005
5:47 pm
10544
Robyn, Good point. All I did was ask Jeeves... BTW, if there's a hard way and an easy way, I'll take the hard one 9 times out of 10. DW [Non-text portions of...
dwittman@...
derekwittman
Offline Send Email
Jul 1, 2005
6:44 pm
10545
In a message dated 7/1/2005 2:50:16 AM Eastern Standard Time, ... Isn't the Arctic icecap all floating? So even if *all* of that icecap melted, there would be...
MorphemeAddict@...
lojbaner
Offline Send Email
Jul 1, 2005
9:18 pm
10546
As the lava from a volcano flows into the ocean, it causes some of the water to evaporate. If 1 cubic kilometre of water evaporates how much thicker must the ...
Peter Otzen
bogaduck
Offline Send Email
Jul 1, 2005
11:50 pm
10547
Apropos of spherical shells... Let r and R be positive real numbers with r < 2R, and let E be a sphere of radius R. Pick a point p on E, and let S be the...
adh_math
Offline
Jul 2, 2005
11:53 am
10548
The volume of saturated steam at sea level is 26.799/.016719= 1603 times the volume of water. Say we have a cylinder of radius r and a height of 2r. The...
brianejensen
brianedwardj...
Offline Send Email
Jul 2, 2005
9:58 pm
10549
What is the equation of a Rainbow? What is the equation of the "illusion" of a Rainbow? From the space station? Hf, Cino...
cino hilliard
hillcino368
Offline Send Email
Jul 2, 2005
11:29 pm
10550
... Cino, Have a look at this site for some insight. http://www.photocentric.net/rainbow_angles.htm ... From the space station, I think the best they could...
Peter Otzen
bogaduck
Offline Send Email
Jul 3, 2005
3:22 am
10551
... This guy says "arc" I assume he means a rainbow is described as a circle. ... I think from the space station you can see the full circle of a rainbow....
cino hilliard
hillcino368
Offline Send Email
Jul 3, 2005
6:01 am
10552
... circle. The centre of the 'circle' that the rainbow is, is a point directly opposite the sun. At sun set/sunrise, that puts the centre on the horizon. We...
Peter Otzen
bogaduck
Offline Send Email
Jul 3, 2005
8:01 am
10553
... Good stuff. Basically we can say then that we do have a good comparison of true round. It is defying, though, that gravity plays no role here or does it?...
cino hilliard
hillcino368
Offline Send Email
Jul 3, 2005
8:43 am
10554
... round. ... Hanging wires are catenerys due to gravity. Objects in flight on earth are mostly parabolic due to gravity. Oh your Majesty,Llight, gravity does...
Peter Otzen
bogaduck
Offline Send Email
Jul 3, 2005
9:12 am
10555
It appears that the area is just pi r^2. That is, the area of a disc on a spherical surface depends only on the "radius" of the disc (distance from center to...
video_ranger
Offline
Jul 3, 2005
9:34 pm
10556
The sphere of radius r will 'cut off' part of the large sphere. If we know what fraction of the sphere it cuts off, it is that fraction of 4.pi.R^2. I suspect...
Peter Otzen
bogaduck
Offline Send Email
Jul 4, 2005
6:55 am
10557
... Yes; this is my second-favorite property of areas of regions on a sphere. (My favorite is the theorem of Archimedes to the effect that a zone of height h...
adh_math
Offline
Jul 4, 2005
2:37 pm
10558
... Your picture looks correct, but when the arc is revolved, arc elements closer to the north pole contribute less area than elements of the same length...
adh_math
Offline
Jul 4, 2005
2:52 pm
10559
Let S be a surface of rotation. A "zone" on S is a region bounded by two planes perpendicular to the axis of rotation, and the "height" of a zone is the...
adh_math
Offline
Jul 4, 2005
3:28 pm
10560
hi guys, could you help me figure out what's the next digit in this sequence? 1 4 5 6 9 11 ____ please write your solution. many thanks!...
Citadel R. Garcia
deyroagarcia
Offline Send Email
Jul 4, 2005
4:15 pm
10561
I'd nearly guess 15. There's a 1 + 4 = 5 in there, also 1 + 5 = 6, 4 + 5 = 9, 5 + 6 = 11, so perhaps the next number is 6 + 9 = 15. Although where the original...
Clooneman ²°°°
clooneman
Offline Send Email
Jul 4, 2005
4:55 pm
Messages 10532 - 10561 of 13927   Oldest  |  < Older  |  Newer >  |  Newest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2009 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help